@book{Werland2012,
author = {Werland, Stefan},
year = {2012},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {PolRess Arbeitspapier AS 5.1: Debattenanalyse Rohstoffknappheit},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000020403",
}